[RFC net-next 0/2] Add RTNL interface for SyncE

@@ -1344,6 +1344,8 @@ struct netdev_net_notifier {
  *	The caller must be under RCU read context.
  * int (*ndo_fill_forward_path)(struct net_device_path_ctx *ctx, struct net_device_path *path);
  *     Get the forwarding path to reach the real device from the HW destination address
+ * int (*ndo_get_synce_state)(struct net_device *dev, struct if_synce_state_msg *state)
+ *	Get state of physical layer frequency syntonization (SyncE)
  */
 struct net_device_ops {
 	int			(*ndo_init)(struct net_device *dev);

@@ -1563,6 +1565,10 @@ struct net_device_ops {
 	struct net_device *	(*ndo_get_peer_dev)(struct net_device *dev);
 	int                     (*ndo_fill_forward_path)(struct net_device_path_ctx *ctx,
                                                          struct net_device_path *path);
+	int			(*ndo_get_synce_state)(struct net_device *dev,
+						       enum if_synce_state *state,
+						       enum if_synce_src *src,
+						       u8 *pin_idx);
 };
 
 /**

@@ -1273,4 +1273,47 @@ enum {
 
 #define IFLA_MCTP_MAX (__IFLA_MCTP_MAX - 1)
 
+/* SyncE section */
+
+enum if_synce_state {
+	IF_SYNCE_STATE_INVALID = 0,
+	IF_SYNCE_STATE_FREERUN,
+	IF_SYNCE_STATE_LOCKACQ,
+	IF_SYNCE_STATE_LOCKREC,
+	IF_SYNCE_STATE_LOCKED,
+	IF_SYNCE_STATE_HOLDOVER,
+	IF_SYNCE_STATE_OPEN_LOOP,
+	__IF_SYNCE_STATE_MAX,
+};
+
+#define IF_SYNCE_STATE_MAX (__IF_SYNCE_STATE_MAX - 1)
+
+enum if_synce_src {
+	IF_SYNCE_SRC_INVALID = 0,
+	IF_SYNCE_SRC_UNKNOWN,
+	IF_SYNCE_SRC_SYNCE,
+	IF_SYNCE_SRC_GNSS,
+	IF_SYNCE_SRC_PTP,
+	IF_SYNCE_SRC_EXT,
+	__IF_SYNCE_SRC_MAX,
+};
+
+#define IF_SYNCE_PIN_UNKNOWN	0xFF
+
+struct if_synce_state_msg {
+	__u32 ifindex;
+	__u8 state;
+	__u8 src;
+	__u8 pin;
+	__u8 pad;
+};
+
+enum {
+	IFLA_SYNCE_UNSPEC,
+	IFLA_SYNCE_STATE,
+	__IFLA_SYNCE_MAX,
+};
+
+#define IFLA_SYNCE_MAX (__IFLA_SYNCE_MAX - 1)
+
 #endif /* _UAPI_LINUX_IF_LINK_H */

@@ -185,6 +185,9 @@ enum {
 	RTM_GETNEXTHOPBUCKET,
 #define RTM_GETNEXTHOPBUCKET	RTM_GETNEXTHOPBUCKET
 
+	RTM_GETSYNCESTATE = 120,
+#define RTM_GETSYNCESTATE	RTM_GETSYNCESTATE
+
 	__RTM_MAX,
 #define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
 };

@@ -193,7 +196,7 @@ enum {
 #define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
 #define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
 
-/* 
+/*
    Generic structure for encapsulation of optional route information.
    It is reminiscent of sockaddr, but with sa_family replaced
    with attribute type.

@@ -233,7 +236,7 @@ struct rtmsg {
 
 	unsigned char		rtm_table;	/* Routing table id */
 	unsigned char		rtm_protocol;	/* Routing protocol; see below	*/
-	unsigned char		rtm_scope;	/* See below */	
+	unsigned char		rtm_scope;	/* See below */
 	unsigned char		rtm_type;	/* See below	*/
 
 	unsigned		rtm_flags;

@@ -555,7 +558,7 @@ struct ifinfomsg {
 };
 
 /********************************************************************
- *		prefix information 
+ *		prefix information
  ****/
 
 struct prefixmsg {

@@ -569,7 +572,7 @@ struct prefixmsg {
 	unsigned char	prefix_pad3;
 };
 
-enum 
+enum
 {
 	PREFIX_UNSPEC,
 	PREFIX_ADDRESS,

@@ -5468,6 +5468,81 @@ static int rtnl_stats_dump(struct sk_buff *skb, struct netlink_callback *cb)
 	return skb->len;
 }
 
+static int rtnl_fill_synce_state(struct sk_buff *msg, struct net_device *dev,
+				 u32 portid, u32 seq,
+				 struct netlink_callback *cb,
+				 int flags)
+{
+	const struct net_device_ops *ops = dev->netdev_ops;
+	struct if_synce_state_msg *state;
+	struct nlmsghdr *nlh;
+
+	ASSERT_RTNL();
+
+	nlh = nlmsg_put(msg, portid, seq, RTM_GETSYNCESTATE,
+			sizeof(*state), flags);
+	if (!nlh)
+		return -EMSGSIZE;
+
+	state = nlmsg_data(nlh);
+
+	if (ops->ndo_get_synce_state) {
+		enum if_synce_state sync_state;
+		enum if_synce_src src;
+		int err;
+		u8 pin;
+
+		err = ops->ndo_get_synce_state(dev, &sync_state, &src, &pin);
+		if (err)
+			return err;
+
+		memset(state, 0, sizeof(*state));
+
+		state->ifindex = dev->ifindex;
+		state->state = (u8)sync_state;
+		state->pin = pin;
+		state->src = (u8)src;
+
+		return 0;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static int rtnl_synce_state_get(struct sk_buff *skb, struct nlmsghdr *nlh,
+				struct netlink_ext_ack *extack)
+{
+	struct net *net = sock_net(skb->sk);
+	struct if_synce_state_msg *state;
+	struct net_device *dev = NULL;
+	struct sk_buff *nskb;
+	u32 filter_mask;
+	int err;
+
+	state = nlmsg_data(nlh);
+	if (state->ifindex > 0)
+		dev = __dev_get_by_index(net, state->ifindex);
+	else
+		return -EINVAL;
+
+	nskb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+	if (!nskb)
+		return -ENOBUFS;
+
+	if (!dev)
+		return -ENODEV;
+
+	err = rtnl_fill_synce_state(nskb, dev,
+				    NETLINK_CB(skb).portid, nlh->nlmsg_seq,
+				    NULL, filter_mask);
+	if (err < 0)
+		kfree_skb(nskb);
+	else
+		err = rtnl_unicast(nskb, net, NETLINK_CB(skb).portid);
+
+	return err;
+}
+
 /* Process one rtnetlink message. */
 
 static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,

@@ -5693,4 +5768,6 @@ void __init rtnetlink_init(void)
 
 	rtnl_register(PF_UNSPEC, RTM_GETSTATS, rtnl_stats_get, rtnl_stats_dump,
 		      0);
+
+	rtnl_register(PF_UNSPEC, RTM_GETSYNCESTATE, rtnl_synce_state_get, NULL, 0);
 }

@@ -91,6 +91,7 @@ static const struct nlmsg_perm nlmsg_route_perms[] =
 	{ RTM_NEWNEXTHOPBUCKET,	NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
 	{ RTM_DELNEXTHOPBUCKET,	NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
 	{ RTM_GETNEXTHOPBUCKET,	NETLINK_ROUTE_SOCKET__NLMSG_READ  },
+	{ RTM_GETSYNCESTATE,	NETLINK_ROUTE_SOCKET__NLMSG_READ  },
 };
 
 static const struct nlmsg_perm nlmsg_tcpdiag_perms[] =

@@ -174,7 +175,7 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm)
 		 * structures at the top of this file with the new mappings
 		 * before updating the BUILD_BUG_ON() macro!
 		 */
-		BUILD_BUG_ON(RTM_MAX != (RTM_NEWNEXTHOPBUCKET + 3));
+		BUILD_BUG_ON(RTM_MAX != (RTM_GETSYNCESTATE + 3));
 		err = nlmsg_perm(nlmsg_type, perm, nlmsg_route_perms,
 				 sizeof(nlmsg_route_perms));
 		break;

@@ -508,6 +508,11 @@ struct ice_pf {
 #define ICE_VF_AGG_NODE_ID_START	65
 #define ICE_MAX_VF_AGG_NODES		32
 	struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
+
+	enum if_synce_state synce_dpll_state;
+	u8 synce_dpll_pin;
+	enum if_synce_state ptp_dpll_state;
+	u8 ptp_dpll_pin;
 };
 
 struct ice_netdev_priv {

@@ -1727,6 +1727,36 @@ struct ice_aqc_add_rdma_qset_data {
 	struct ice_aqc_add_tx_rdma_qset_entry rdma_qsets[];
 };
 
+/* Get CGU DPLL status (direct 0x0C66) */
+struct ice_aqc_get_cgu_dpll_status {
+	u8 dpll_num;
+	u8 ref_state;
+#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_LOS		BIT(0)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_SCM		BIT(1)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_CFM		BIT(2)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_GST		BIT(3)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_PFM		BIT(4)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_ESYNC	BIT(6)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_FAST_LOCK_EN	BIT(7)
+	__le16 dpll_state;
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_LOCK		BIT(0)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO		BIT(1)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO_READY	BIT(2)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_FLHIT		BIT(5)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_PSLHIT	BIT(7)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SHIFT	8
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SEL	\
+	ICE_M(0x1F, ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SHIFT)
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_MODE_SHIFT	13
+#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_MODE \
+	ICE_M(0x7, ICE_AQC_GET_CGU_DPLL_STATUS_STATE_MODE_SHIFT)
+	__le32 phase_offset_h;
+	__le32 phase_offset_l;
+	u8 eec_mode;
+	u8 rsvd[1];
+	__le16 node_handle;
+};
+
 /* Configure Firmware Logging Command (indirect 0xFF09)
  * Logging Information Read Response (indirect 0xFF10)
  * Note: The 0xFF10 command has no input parameters.

@@ -1954,6 +1984,7 @@ struct ice_aq_desc {
 		struct ice_aqc_fw_logging fw_logging;
 		struct ice_aqc_get_clear_fw_log get_clear_fw_log;
 		struct ice_aqc_download_pkg download_pkg;
+		struct ice_aqc_get_cgu_dpll_status get_cgu_dpll_status;
 		struct ice_aqc_driver_shared_params drv_shared_params;
 		struct ice_aqc_set_mac_lb set_mac_lb;
 		struct ice_aqc_alloc_free_res_cmd sw_res_ctrl;

@@ -2108,6 +2139,9 @@ enum ice_adminq_opc {
 	ice_aqc_opc_update_pkg				= 0x0C42,
 	ice_aqc_opc_get_pkg_info_list			= 0x0C43,
 
+	/* 1588/SyncE commands/events */
+	ice_aqc_opc_get_cgu_dpll_status			= 0x0C66,
+
 	ice_aqc_opc_driver_shared_params		= 0x0C90,
 
 	/* Standalone Commands/Events */

@@ -69,6 +69,31 @@ bool ice_is_e810(struct ice_hw *hw)
 	return hw->mac_type == ICE_MAC_E810;
 }
 
+/**
+ * ice_is_e810t
+ * @hw: pointer to the hardware structure
+ *
+ * returns true if the device is E810T based, false if not.
+ */
+bool ice_is_e810t(struct ice_hw *hw)
+{
+	switch (hw->device_id) {
+	case ICE_DEV_ID_E810C_SFP:
+		if (hw->subsystem_device_id == ICE_SUBDEV_ID_E810T ||
+		    hw->subsystem_device_id == ICE_SUBDEV_ID_E810T2)
+			return true;
+		break;
+	case ICE_DEV_ID_E810C_QSFP:
+		if (hw->subsystem_device_id == ICE_SUBDEV_ID_E810T2)
+			return true;
+		break;
+	default:
+		break;
+	}
+
+	return false;
+}
+
 /**
  * ice_clear_pf_cfg - Clear PF configuration
  * @hw: pointer to the hardware structure

@@ -4520,6 +4545,42 @@ ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
 	return ice_status_to_errno(status);
 }
 
+/**
+ * ice_aq_get_cgu_dpll_status
+ * @hw: pointer to the HW struct
+ * @dpll_num: DPLL index
+ * @ref_state: Reference clock state
+ * @dpll_state: DPLL state
+ * @phase_offset: Phase offset in ps
+ * @eec_mode: EEC_mode
+ *
+ * Get CGU DPLL status (0x0C66)
+ */
+enum ice_status
+ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state,
+			   u16 *dpll_state, u64 *phase_offset, u8 *eec_mode)
+{
+	struct ice_aqc_get_cgu_dpll_status *cmd;
+	struct ice_aq_desc desc;
+	enum ice_status status;
+
+	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_dpll_status);
+	cmd = &desc.params.get_cgu_dpll_status;
+	cmd->dpll_num = dpll_num;
+
+	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
+	if (!status) {
+		*ref_state = cmd->ref_state;
+		*dpll_state = le16_to_cpu(cmd->dpll_state);
+		*phase_offset = le32_to_cpu(cmd->phase_offset_h);
+		*phase_offset <<= 32;
+		*phase_offset += le32_to_cpu(cmd->phase_offset_l);
+		*eec_mode = cmd->eec_mode;
+	}
+
+	return status;
+}
+
 /**
  * ice_replay_pre_init - replay pre initialization
  * @hw: pointer to the HW struct

@@ -4974,3 +5035,4 @@ bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw)
 	}
 	return false;
 }
+

@@ -100,6 +100,7 @@ enum ice_status
 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
 			struct ice_sq_cd *cd);
 bool ice_is_e810(struct ice_hw *hw);
+bool ice_is_e810t(struct ice_hw *hw);
 enum ice_status ice_clear_pf_cfg(struct ice_hw *hw);
 enum ice_status
 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,

@@ -156,6 +157,9 @@ ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
 int
 ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
 		      u16 *rdma_qset, u16 num_qsets, u32 *qset_teid);
+enum ice_status
+ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state,
+			   u16 *dpll_state, u64 *phase_offset, u8 *eec_mode);
 int
 ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
 		      u16 *q_id);

@@ -52,4 +52,7 @@
 /* Intel(R) Ethernet Connection E822-L 1GbE */
 #define ICE_DEV_ID_E822L_SGMII		0x189A
 
+#define ICE_SUBDEV_ID_E810T		0x000E
+#define ICE_SUBDEV_ID_E810T2		0x000F
+
 #endif /* _ICE_DEVIDS_H_ */

@@ -5973,6 +5973,60 @@ static void ice_napi_disable_all(struct ice_vsi *vsi)
 	}
 }
 
+/**
+ * ice_get_synce_state - get state of SyncE DPLL
+ * @netdev: network interface device structure
+ * @state: state of SyncE DPLL
+ * @src: source type driving SyncE DPLL
+ * @pin_idx: index of pin driving SyncE DPLL
+ */
+static int
+ice_get_synce_state(struct net_device *netdev, enum if_synce_state *state,
+		    enum if_synce_src *src, u8 *pin_idx)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+
+	if (!ice_is_e810t(&pf->hw))
+		return -EOPNOTSUPP;
+
+	if (state)
+		*state = pf->synce_dpll_state;
+	if (pin_idx) {
+		*pin_idx = pf->synce_dpll_pin;
+	if (src)
+		switch (pf->synce_dpll_pin) {
+		case REF0P:
+		case REF0N:
+			*src = IF_SYNCE_SRC_PTP;
+			break;
+		case REF1P:
+		case REF1N:
+		case REF2P:
+		case REF2N:
+			*src = IF_SYNCE_SRC_SYNCE;
+			break;
+		case REF3P:
+		case REF3N:
+			*src = IF_SYNCE_SRC_EXT;
+			break;
+		case REF4P:
+			*src = IF_SYNCE_SRC_GNSS;
+			break;
+		default:
+			*src = IF_SYNCE_SRC_INVALID;
+			break;
+		}
+
+		/* Always report invalid source if state is not Locked */
+		if (pf->synce_dpll_state != IF_SYNCE_STATE_LOCKED)
+			*src = IF_SYNCE_SRC_INVALID;
+	}
+
+	return 0;
+}
+
 /**
  * ice_down - Shutdown the connection
  * @vsi: The VSI being stopped

@@ -7263,4 +7317,5 @@ static const struct net_device_ops ice_netdev_ops = {
 	.ndo_bpf = ice_xdp,
 	.ndo_xdp_xmit = ice_xdp_xmit,
 	.ndo_xsk_wakeup = ice_xsk_wakeup,
+	.ndo_get_synce_state = ice_get_synce_state,
 };

@@ -1370,6 +1370,36 @@ static void ice_ptp_tx_tstamp_cleanup(struct ice_ptp_tx *tx)
 	}
 }
 
+static void ice_handle_cgu_state(struct ice_pf *pf)
+{
+	enum if_synce_state cgu_state;
+	u8 pin;
+
+	cgu_state = ice_get_zl_state_e810t(&pf->hw, ICE_CGU_DPLL_SYNCE, &pin);
+	if (pf->synce_dpll_state != cgu_state) {
+		pf->synce_dpll_state = cgu_state;
+		pf->synce_dpll_pin = pin;
+
+		dev_warn(ice_pf_to_dev(pf),
+			 "<DPLL%i> state changed to: %d, pin %d",
+			 ICE_CGU_DPLL_SYNCE,
+			 pf->synce_dpll_state,
+			 pin);
+	}
+
+	cgu_state = ice_get_zl_state_e810t(&pf->hw, ICE_CGU_DPLL_PTP, &pin);
+	if (pf->ptp_dpll_state != cgu_state) {
+		pf->ptp_dpll_state = cgu_state;
+		pf->ptp_dpll_pin = pin;
+
+		dev_warn(ice_pf_to_dev(pf),
+			 "<DPLL%i> state changed to: %d, pin %d",
+			 ICE_CGU_DPLL_PTP,
+			 pf->ptp_dpll_state,
+			 pin);
+	}
+}
+
 static void ice_ptp_periodic_work(struct kthread_work *work)
 {
 	struct ice_ptp *ptp = container_of(work, struct ice_ptp, work.work);

@@ -1378,6 +1408,10 @@ static void ice_ptp_periodic_work(struct kthread_work *work)
 	if (!test_bit(ICE_FLAG_PTP, pf->flags))
 		return;
 
+	if (ice_is_e810t(&pf->hw) &&
+	    &pf->hw.func_caps.ts_func_info.src_tmr_owned)
+		ice_handle_cgu_state(pf);
+
 	ice_ptp_update_cached_phctime(pf);
 
 	ice_ptp_tx_tstamp_cleanup(&pf->ptp.port.tx);

@@ -1556,3 +1590,4 @@ void ice_ptp_release(struct ice_pf *pf)
 
 	dev_info(ice_pf_to_dev(pf), "Removed PTP clock\n");
 }
+

@@ -375,6 +375,50 @@ static int ice_ptp_port_cmd_e810(struct ice_hw *hw, enum ice_ptp_tmr_cmd cmd)
 	return 0;
 }
 
+/**
+ * ice_get_zl_state_e810t - get the state of the DPLL
+ * @hw: pointer to the hw struct
+ * @dpll_idx: Index of internal DPLL unit
+ * @pin: pointer to a buffer for returning currently active pin
+ *
+ * This function will read the state of the DPLL(dpll_idx). If optional
+ * parameter pin is given it'll be used to retrieve currently active pin.
+ *
+ * Return: state of the DPLL
+ */
+enum if_synce_state
+ice_get_zl_state_e810t(struct ice_hw *hw, u8 dpll_idx, u8 *pin)
+{
+	enum ice_status status;
+	u64 phase_offset;
+	u16 dpll_state;
+	u8 ref_state;
+	u8 eec_mode;
+
+	if (dpll_idx >= ICE_CGU_DPLL_MAX)
+		return IF_SYNCE_STATE_INVALID;
+
+	status = ice_aq_get_cgu_dpll_status(hw, dpll_idx, &ref_state,
+					    &dpll_state, &phase_offset,
+					    &eec_mode);
+	if (status)
+		return IF_SYNCE_STATE_INVALID;
+
+	if (pin) {
+		/* current ref pin in dpll_state_refsel_status_X register */
+		*pin = (dpll_state &
+			ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SEL) >>
+		       ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SHIFT;
+	}
+
+	if (dpll_state & ICE_AQC_GET_CGU_DPLL_STATUS_STATE_LOCK)
+		return IF_SYNCE_STATE_LOCKED;
+	else if (dpll_state & ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO)
+		return IF_SYNCE_STATE_HOLDOVER;
+
+	return IF_SYNCE_STATE_FREERUN;
+}
+
 /* Device agnostic functions
  *
  * The following functions implement useful behavior to hide the differences

@@ -30,6 +30,8 @@ int ice_clear_phy_tstamp(struct ice_hw *hw, u8 block, u8 idx);
 
 /* E810 family functions */
 int ice_ptp_init_phy_e810(struct ice_hw *hw);
+enum if_synce_state
+ice_get_zl_state_e810t(struct ice_hw *hw, u8 dpll_idx, u8 *pin);
 
 #define PFTSYN_SEM_BYTES	4
 

@@ -76,4 +78,24 @@ int ice_ptp_init_phy_e810(struct ice_hw *hw);
 #define LOW_TX_MEMORY_BANK_START	0x03090000
 #define HIGH_TX_MEMORY_BANK_START	0x03090004
 
+enum ice_e810t_cgu_dpll {
+	ICE_CGU_DPLL_SYNCE,
+	ICE_CGU_DPLL_PTP,
+	ICE_CGU_DPLL_MAX
+};
+
+enum ice_e810t_cgu_pins {
+	REF0P,
+	REF0N,
+	REF1P,
+	REF1N,
+	REF2P,
+	REF2N,
+	REF3P,
+	REF3N,
+	REF4P,
+	REF4N,
+	NUM_E810T_CGU_PINS
+};
+
 #endif /* _ICE_PTP_HW_H_ */